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Contract OI history

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Nov 27, 2026 EXPIRATION

CLSK $9.50 Put

CLSK261127P00009500

Latest saved OI150Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $9.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 150750 2026-10-09: 1 OI2026-10-13: 12 OI2026-10-14: 12 OI2026-10-15: 13 OI2026-10-16: 38 OI2026-10-21: 138 OI2026-10-23: 150 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CLSK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing150+12
Oct 21, 2026138+100
Oct 16, 202638+25
Oct 15, 202613+1
Oct 14, 2026120
Oct 13, 202612+11
Oct 09, 20261No prior observation